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Full MMI system from Audi A6 4F retrofit to a Seat Toledo


 
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savabogdan



CAN Hacker seit: 21.09.2016
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Beitrag21-09-2016, 19:10    Titel: Full MMI system from Audi A6 4F retrofit to a Seat Toledo Antworten mit Zitat

Hello. This is my first post and I'll try to keep it short and simple. I removed the whole MMI system from an Audi A6 4F. I have the bose sound system with speakers, navigation, bluetooth telephone, parking sensors, lcd display, control unit, instrument cluster, gateway and so on. I managed to start the audio system but all the other functions ask me to turn ignition on. This is where my problem is. I no longer have the key, so I opened up the ignition barrel and manually pressed the switches: key in, steering unlock and acc. I can see in VCDS the switch for Terminal 15 changing from off to on but Terminal 15 status is always off. How can I turn on Terminal 15? When I first started I thought terminal 15 was like on my seat, a simple switch behind the barrel but it's sent via canbus to the gateway. I am new to the whole CAN BUS system, I know the basics but I don't own a can analyser. I would love to be able to use the whole system on my seat. I can put pictures if anyone is interested as for now the MMI system is spread on my livingroom's floor. Any help would be greatly appreciated. Thank you
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Beitrag21-09-2016, 19:37    Titel: Full MMI system from Audi A6 4F retrofit to a Seat Toledo Antworten mit Zitat

Hi,

terminal 15 "on"/"off" is indicated with specific CAN messages, easy. But I doubt that this is really enough: What about component protection?

Best, Rainer
Dipl.-Ing. (FH) Rainer Kaufmann - Kaufmann Automotive GmbH
CANhack.de CAN-Bus Interface RKS+CAN kaufen: CAN-USB Interface


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savabogdan



CAN Hacker seit: 21.09.2016
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Beitrag21-09-2016, 20:29    Titel: Full MMI system from Audi A6 4F retrofit to a Seat Toledo Antworten mit Zitat

Hey. I didn't get that far. All I managed to do was separate as best as I could the system from the car's electrical system and figure out how to start it as a stand alone system. I did start it, I can tune radio, use the cd player, surf through the menu. The MOST bus works, and I could connect with VCDS to all the components through the gateway. If all the components came from the same car aren't they going to work with no protection problems? Also I can connect to the instrument cluster, do the output tests but nothing appears on the central display, I think it also needs the ignition to start. If it comes to it, I have access to a dealer VAS to sort out the protection. What would be the best way to activate terminal 15? What hardware do I need? I thought about an arduino board. It would need to activate via a 12v wire that comes from my seat's terminal 15. I would love to learn more about the CAN BUS and I think this project would be a nice place to start.
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Beitrag21-09-2016, 20:54    Titel: Full MMI system from Audi A6 4F retrofit to a Seat Toledo Antworten mit Zitat

Ok, my thought was, that the MMI/sound system is tied to something else in the car. If it works standalone, that's just fine. icon_biggrin.gif

Check out and combine:
http://www.canhack.de/viewtopic.php?t=2091&highlight=3c0
and CAN_A5.png in
http://www.canhack.de/viewtopic.php?t=1981&highlight=klemme+15

Good luck, feedback is appreciated!
Dipl.-Ing. (FH) Rainer Kaufmann - Kaufmann Automotive GmbH
CANhack.de CAN-Bus Interface RKS+CAN kaufen: CAN-USB Interface


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savabogdan



CAN Hacker seit: 21.09.2016
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CAN-Diagnose und
Beitrag08-04-2017, 12:23    Titel: Ignition success Antworten mit Zitat

Hello. Long time since my last post but I finally got my Arduinos and MCP2515 to try and emulate ignition. Last night I managed to do it, after trying but not succeeding with the 3C0 ID. After long searches I found that ID 0x2C5 and data 0x03, 0x06, 0x00, 0x17 was the right message. After that I found out by a lucky mistake while looking for something else that you need ID 0x6A5 with 0xCA, 0x88, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 sent at the exact time I press the button for parking assist to get the image with the car to appear on the display. The sensors are chirping but nothing is reading on the display. I Looked on some self study files from audi and found out that the parking assist needs info about the speed, selected gear, reversing light status, and ignition. I only have messages for ignition but didn't manage to find what messages are for Select Drive, Select Reverse, Speed and Reverse light status. I am hoping that with the messages for Drive and Reverse selected+reverse light status on I will be able to activate front and rear parking readings. If speed will be absolutely necessary I will program the Arduino to read the speed from my Seat and put corresponding can messages on the separate CAN bus from the Audi. I know that the information is almost certainly on this site but I don't speak German so I can't find it. Here are some pictures with the system laid out in my living room. icon_smile.gif



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